Effect of Injection Pressure on Vibration Performance of IC Engine by using Diesel-Biodiesel Fuel

Authors(3):

Harshal A. Arekar, S. V. Kshirsagar, B. D. Bachchhav

Abstract

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Recent scenario says that traditional fossil fuels are depleting day by day. The environmental pollution issues also arise globally. Hence alternative fuels are the need of the hour now. Biodiesel comes forward as the best alternative fuel because it can be used directly without any modification to diesel engine up to a certain level. Currently, 20 % biodiesel blend with 80% diesel is used. But bio diesel has certain limitations such as high viscosity, high density, and lower calorific values. These limitations restrict the blending percentage of biodiesel with diesel. To overcome these limitations, many researches recommended modifications in injection parameter. But all these studies focused on emission and performance only. In this experimental study, vibration performance analysis of the diesel engine was carried out by using different fuel blends and varying injection pressures. Experiments were performed on a single cylinder diesel engine using two Jatropha biodiesel blends, three different Injection pressures. Injection pressure was set at 130, 170 and 210 bar Experimental study shows that fuel injection pressure significantly effect on engine vibration.